Neutron time-of-flight spectroscopy measurement using a waveform digitizer

The photoneutron source （PNS, phase 1）, an electron linear accelerator （linac）-based pulsed neutron facility that uses the time-of-flight （TOF） technique, was constructed for the acquisition of nuclear data from the Thorium Molten Salt Reactor （TMSR） at the Shanghai Institute of Applied Physics （SIN...

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Bibliographic Details
Published inChinese physics C Vol. 40; no. 5; pp. 70 - 74
Main Author 刘龙祥 王宏伟 马余刚 曹喜光 蔡翔舟 陈金根 张桂林 韩建龙 张国强 胡继峰 王小鹤
Format Journal Article
LanguageEnglish
Published 01.05.2016
Subjects
Design analysis
Digitization
Electronics
Linear accelerators
Nuclear reactor components
Pulse height
Spectroscopy
Waveforms
中子源
医用电子直线加速器
数字化仪
数据采集系统
波形
测量
脉冲中子
飞行时间谱
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ISSN1674-1137
0254-3052
DOI10.1088/1674-1137/40/5/056202

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Summary:The photoneutron source （PNS, phase 1）, an electron linear accelerator （linac）-based pulsed neutron facility that uses the time-of-flight （TOF） technique, was constructed for the acquisition of nuclear data from the Thorium Molten Salt Reactor （TMSR） at the Shanghai Institute of Applied Physics （SINAP）. The neutron detector signal used for TOF calculation, with information on the pulse arrival time, pulse shape, and pulse height, was recorded by using a waveform digitizer （WFD）. By using the pulse height and pulse-shape discrimination （PSD） analysis to identify neutrons and ＂y-rays, the neutron TOF spectrum was obtained by employing a simple electronic design, and a new WFD-based DAQ system was developed and tested in this commissioning experiment. The DAQ system developed is characterized by a very high efficiency with respect to millisecond neutron TOF spectroscopy.
Bibliography:11-5641/O4
The photoneutron source （PNS, phase 1）, an electron linear accelerator （linac）-based pulsed neutron facility that uses the time-of-flight （TOF） technique, was constructed for the acquisition of nuclear data from the Thorium Molten Salt Reactor （TMSR） at the Shanghai Institute of Applied Physics （SINAP）. The neutron detector signal used for TOF calculation, with information on the pulse arrival time, pulse shape, and pulse height, was recorded by using a waveform digitizer （WFD）. By using the pulse height and pulse-shape discrimination （PSD） analysis to identify neutrons and ＂y-rays, the neutron TOF spectrum was obtained by employing a simple electronic design, and a new WFD-based DAQ system was developed and tested in this commissioning experiment. The DAQ system developed is characterized by a very high efficiency with respect to millisecond neutron TOF spectroscopy.
neutron spectroscopy, scintillator, waveform digitizer, pulse-shape discrimination （PSD）, time-of-flight （TOF）
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SourceType-Scholarly Journals-1
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ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/40/5/056202